Heating device for camera module and camera module having same

ABSTRACT

A heating device for a camera module comprises: a resistance heating film formed on a lens through which external light is introduced for generating heat by electric current; a power applying member for supplying the electric current to the resistance heating film; and a connecting member for electrically connecting the resistance heating film and the power applying member in close contact with each other.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. application Ser. No.16/077,639, filed Aug. 13, 2018; which is the U.S. national stageapplication of International Patent Application No. PCT/KR2017/000314,filed Jan. 10, 2017, which claims the benefit under 35 U.S.C. § 119 ofKorean Application No. 10-2016-0017256, filed Feb. 15, 2016, thedisclosures of each of which are incorporated herein by reference intheir entirety.

TECHNICAL FIELD

The teachings in accordance with exemplary and non-limiting embodimentsof this invention relate generally to a heating device for camera moduleand a camera module having the same.

BACKGROUND ART

Recently, small camera modules are widely used in various industrialfields. Particularly, the small camera modules are widely used in ITindustries such as smart phones, tablet PCs, gamers, CCTVs, andautomobile industries. The camera modules widely used in variousindustries may largely include a lens incident on by an outside light,an image sensor module converting the light incident from the lens to adigital image or a video, and a housing accommodating the lens and animage sensor.

The lens of camera module may generally have a structure exposed tooutside in order to receive the outside light.

When the lens of camera module is exposed to outside, an outside and aninside of lens may be wetted by moisture or may generate frostinessduring wintertime. When the lens of a camera module is wetted or isgenerated with frostiness, a light having passed the lens may beincident on an image sensor by being distorted due to moisture orfrostiness to greatly decrease the quality of image of video. In orderto inhibit this phenomenon, a technique to inhibit formation of moistureor frostiness on a lens must be developed.

The conventional art to inhibit the generation of moisture or frostinesson a lens may include the Korean Laid-open patent No.: 10-2010-0019676(Feb. 19, 2010) entitled a “vehicular camera”. The vehicular camera hasa structure including a transparent conductor arranged in a thin filmtype on an outermost lens surface and a control wiring electricallyconnected to the transparent conductor. However, the transparentconductor for vehicular camera suffers from disadvantages in that thetransparent conductor is formed on a surface contacting an outside air,and as a result, a heating efficiency is greatly reduced due to theoutside air, and the transparent conductor is easily damaged by contactwith outside objects such as cleaning tools and car washing to beresultantly weak to durability.

Furthermore, the coupling relationship between the transparent conductorand the control wiring is important in the vehicular camera, which isbecause a camera mounted on a vehicle is applied with a repetitivevibration and shock whereby the transparent conductor and the controlwiring can be easily separated.

However, the abovementioned vehicular camera according to the KoreanLaid-open patent No.: 10-2010-0019676 (Feb. 19, 2010) simply discloses ateaching that the transparent conductor and the control wire areelectrically connected but fails to disclose in detail that thetransparent conductor and control wiring of heterogeneous materials andof difficulty in electric connection are electrically connected.

In sum, the vehicular camera suffers from disadvantages in that thetransparent conductor is contacted to an outside air, and thetransparent conductor and the control wiring are very weak in electricconnection to thereby provide a low durability and reliability ofproduct.

DETAILED DESCRIPTION OF THE INVENTION Technical Subject

The present invention provides a heating device for camera modulegreatly enhanced in durability and reliability by improving an electriccoupling structure between lens heating elements through removal ofmoisture and frost, and a camera module having the same.

Technical Solution

In one general aspect of the present invention, there is provided aheating device for a camera module comprising:

a resistance heating film formed on a lens through which external lightis introduced for generating heat by electric current;

a power applying member for supplying the electric current to theresistance heating film; and

a connecting member for electrically connecting the resistance heatingfilm and the power applying member in close contact with each other.

Preferably, but not necessarily, the resistance heating film may includean ITO (Indium Tin Oxide) film formed in the shape of a film on an innersurface facing an outside surface contacting an outside air of a lens.

Preferably, but not necessarily, the power applying member may includewirings, and a flexible PCB (Printed Circuit Board) including flexibleinsulation members wrapping the wirings and formed with an opening at anarea contacting the resistance heating film.

Preferably, but not necessarily, the wirings exposed by the opening maybe formed with a terminal part electrically contacting the resistanceheating film.

Preferably, but not necessarily, the connecting member may include aconductive double-sided adhesive tape interposed between the resistanceheating film and the power applying member.

Preferably, but not necessarily, the connecting member may include asheet member disposed at a bottom surface facing an upper surface of thepower applying member facing the resistance heating film, and having anelasticity closely connecting the power applying member to theresistance heating film.

Preferably, but not necessarily, the connecting member may include anelastic member disposed at a bottom surface facing an upper surface ofthe power applying member facing the resistance heating film, andclosely connecting the power applying member to the resistance heatingfilm.

Preferably, but not necessarily, the elastic member may include a springincluding any one of a leaf spring and a coil spring.

In another general aspect of the present invention, there is provided acamera module, comprising:

-   -   a lens barrel including a lens;    -   a lens holder supporting the lens;    -   a PCB coupled with the lens barrel;    -   an image sensor coupled with the PCB;    -   a heating apparatus including a resistance heating film formed        on the lens and generating a heat by a current, a power applying        member disposed at the lens holder to provide the current to the        resistance heating film and a connecting member electrically        connecting the resistance heating film and the power applying        member by closely connecting the resistance heating film and the        power applying member; and    -   a housing coupled to the lens barrel.

Preferably, but not necessarily, the resistance heating film may includean ITO film.

Preferably, but not necessarily, the connecting member may include aconductive double-sided tape interposed between the resistance heatingfilm and the power applying member.

Preferably, but not necessarily, the connecting member may include asheet member disposed at the lens barrel and having an elasticityclosely connecting the power applying member to the resistance heatingfilm.

Preferably, but not necessarily, the connecting member may include anelastic member partially disposed at an inside of a groove formed at anupper surface of lens barrel to closely connecting the power applyingmember to the resistance heating film.

Advantageous Effects

The camera module and manufacturing method thereof according to thepresent invention have an advantageous effect in that durability andreliability are greatly enhanced by improving an electric couplingstructure between lens heating elements through removal of moisture andfrost.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is an external perspective view illustrating a camera moduleaccording to an exemplary embodiment of present invention.

FIG. 2 is an exploded perspective view of FIG. 2.

FIG. 3 is a longitudinal cross-sectional view of FIG. 1.

FIG. 4 is an enlarged view of a heating device according to an exemplaryembodiment of present invention.

FIG. 5 is an enlarged view illustrating a heating device according toanother exemplary embodiment of present invention.

FIG. 6 is an enlarged view illustrating a heating device according toanother exemplary embodiment of present invention.

FIG. 7 is an enlarged view illustrating a heating device according toanother exemplary embodiment of present invention.

BEST MODE

The invention described hereunder may be applied with various changesand several exemplary embodiments, and particular exemplary embodimentswill be described in detail through exemplary drawings and detaileddescriptions.

However, it should be noted that the present invention is not limited toparticular exemplary embodiments, and it will be appreciated that thepresent invention described is intended to embrace all such alterations,modifications, and variations that fall within the scope and novel ideaof the present invention. In describing the present invention, detaileddescriptions of well-known art in the art may be omitted to avoidobscuring appreciation of the invention with unnecessary details.

The terminology used herein is for the purpose of describing particularexemplary embodiments only and is not intended to be limiting. As usedherein, the singular forms may be intended to include the plural formsas well, unless the context clearly indicates otherwise.

The terms “including” or “comprising” are inclusive and thereforespecify the presence of stated features, integers, steps, operations,elements, and/or components, but do not preclude the presence oraddition of one or more other features, integers, steps, operations,elements, components, and/or groups thereof.

Although the terms, first, second, etc., may be used herein todistinguish various elements, these elements should not be limited bythese terms. These terms may be used only to distinguish one elementfrom another element.

FIG. 1 is an external perspective view illustrating a camera moduleaccording to an exemplary embodiment of present invention, FIG. 2 is anexploded perspective view of FIG. 2, and FIG. 3 is a longitudinalcross-sectional view of FIG. 1.

Referring to FIGS. 1, 2 and 3, a camera module (800) may include a lensbarrel (200) including a lens (100), a lens holder (300), a PCB (PrintedCircuit Board, 400), an image sensor (500), a heating device (600) and ahousing (700). The camera module (800) may further include a lens barrelcover (850).

The lens barrel (200) may be formed in cylindrical shape formed with ahollow hole (210). The lens barrel (200) may be formed at an uppersurface with a reception groove (220) formed in a round shape about thehollow hole (210). The lens barrel (200) may be formed at a bottom endof outside surface with a male screw part (230).

The lens barrel (200) may be formed at a portion of the outside surfacewith a flatly cut-off flat part (240), and the flat part (240) mayfunction to contact the power applying member of heating device (600,described later) to accommodate a portion of the power applying member.

The lens barrel (200) may be accommodated with lenses (100). The lens(100) according to an exemplary embodiment of the present invention mayinclude a first lens (110) contacting an outside air, a second lens(120) and a third lens (130).

The first lens (110) may be disposed at an upper surface of lens barrel(200). The first lens (110) may be disposed at a bottom surface with thesecond lens (120) and the second lens (120) may be disposed at a bottomsurface with the third lens (130).

Although the exemplary embodiment of the present invention hasillustrated and explained that the first to third lenses (110,120,130)are coupled to the lens barrel (200), the lens barrel (200) may bedisposed with fewer than three lenses, or more than three lenses.

The lens holder cover (850) may be formed with a space accommodating thelens barrel (200). The lens holder cover (850) may include an uppersurface (852) formed with a through hole exposing the first lens (110)and a lateral surface (854).

A surrounding of the through hole at an upper surface (852) of lensholder cover (850) may be formed with a sealing ring (859) contactingthe first lens (110).

An outside of lateral surface (854) of lens holder cover (850) may beformed with a male screw part (856), and a female screw part (858) maybe formed on the inner surface of lateral surface (854) as illustratedin FIG. 3.

The female screw part (858) of lens holder cover (850) may bescrew-connected to the male screw part (230) formed at an outside oflens holder (200), and the male screw part (856) of lens holder cover(850) may be coupled to the female screw part (310) formed at the lensholder (300).

As a result, the lens barrel (200), the lens holder (300) and the lensholder cover (850) may be assembled by mutual screw-connecting couplingmethod.

Unexplained reference numeral 250 is a support member screw-connectedwith the male screw part (230) of lens barrel (200).

The lens holder (300) may provide a reception space accommodating thelens barrel (200), and the lens holder (300) may be coupled by a housing(700) and a coupling screw (710).

An inner surface formed by the through hole passing through the lensholder (300) may be formed with a female screw part (310), and the innersurface formed by the through hole may be formed with a hitching sill(320) for supporting a PCB (described later).

The PCB (400) may be mounted with an image sensor (500), and the PCB(400) may be fastened by a fastening screw (410) to a bottom surface oflens holder (300).

The image sensor (500) may be mounted on the PCB (400), and the imagesensor (500) may generate a digital image or a video using an outsidelight having passed the first to third lenses (110,120,130).

The lens holder cover (850), the lens barrel (200) and the PCB (400) maybe tightly and securely assembled because the lens holder cover (850) iscoupled to the lens barrel (200), the lens holder cover (850) is coupledto the lens holder (300) and the lens holder (300) is fixed by the PCB(400) mounted with the image sensor (500) according to an exemplaryembodiment of the present invention.

The housing (700) may be formed therein with a reception space, and thehousing (700) may be coupled to the lens holder (300) by the fasteningscrew (710).

The heating device (600) may serve to inhibit the first lens (110) frombeing wetted with moisture or from being generated with a frostiness byproviding a heat to the first lens (110).

Hereinafter, various exemplary embodiments of a heating device accordingto an exemplary embodiment of the present invention will be describedwith reference to the accompanying drawings.

FIG. 4 is an enlarged view of a heating device according to an exemplaryembodiment of present invention.

Referring to FIG. 4, a heating device (600) may include a resistanceheating film (610), a power applying member (620) and a connectingmember (630).

The resistance heating film (610) may be formed on an inner surface(112) facing an outside surface (111) of first lens (110) contacting anoutside air.

The formation of resistance heating film (610) on the inner surface(112) of first lens (110) may inhibit the resistance heating film (610)from being damaged caused by damage from contact with outside objectsand cleaning, and may inhibit the resistance heating film (610) frombeing lost of heat by outside air.

The resistance heating film (610) in the exemplary embodiment of presentinvention may be formed in a film type including an ITO material thathas a light transmittance of over 90% and that can be converted to heatenergy by consuming an electric energy, for example.

The resistance heating film (610) may be formed by coating process ordeposition process of ITO material, for example. The power applyingmember (620) may function to apply a current to the resistance heatingfilm (610).

The power applying member (620) in the exemplary embodiment of thepresent invention may include a first power applying part (621), asecond power applying part (625) and a connecting part (622), asillustrated in FIG. 1.

The first power applying part (621) may be disposed at an inside of areception groove (220) of lens barrel (200), and the first powerapplying part (621) may take a circular strip shape when viewed from aplane, and the first power applying part (621) may be disposed oppositeto the resistance heating film (610) formed on the first lens (110).

The second power applying part (625) may be electrically connected tothe PCB (400) by various methods, and the second power applying part(625) may take a circular strip shape when viewed from a plane, and thesecond power applying part (625) may be disposed opposite to the PCB(400).

The connecting part (622) may mutually connect the first and secondpower applying parts (621,625), and the connecting part (622) may besupported by being in contact with the flat part (240) of lens barrel(200).

The first power applying part (621), the connecting part (622) and thesecond power applying part (625) may include wires (not shown) and aflexible insulation member (626) wrapping the wires. Each of the firstpower applying part (621), the connecting part (622) and the secondpower applying part (625) according to the exemplary embodiment of thepresent invention may include a flexible PCB (FPCB).

The wires may be disposed in a line shape along the first power applyingpart (621), the connecting part (622) and the second power applying part(625).

The flexible insulation member (626) may be formed with openings (623)to allow the resistance heating film (610) and the wires to beelectrically connected, and the PCB (400) and the wires to beelectrically connected, as illustrated in FIG. 2.

The openings (623) formed on the first power applying part (621) may besymmetrically formed about a center of the first lens (623), forexample.

The first power applying part (621) exposed by the opening (623) may beformed with a terminal part (624) to allow the wires and the resistanceheating film (610) to be mutually and electrically connected.

The connecting member (630) may be formed at an area corresponding tothat of the terminal part (624), and the connecting member (630) mayfunction to mutually and electrically connect the terminal part (624)and the resistance heating film (610).

The connecting member (630) according to the exemplary embodiment ofpresent invention may include a conductive double-sided adhesive tapehaving adhesiveness, electric conduction and elasticity, for example.

The terminal part (624) and the resistance heating film (610) may beelectrically connected and mechanically coupled by the connecting member(630) including the conductive double-sided adhesive tape, whereby theresistance heating film (610) and the power applying member (620) may beinhibited from being arbitrarily separated by shocks or vibrationsapplied from outside.

FIG. 5 is an enlarged view illustrating a heating device according toanother exemplary embodiment of present invention. The heating deviceillustrated in FIG. 5 is substantially same as the heating deviceexplained through FIG. 4 except for a connecting member. Thus, aredundant repeated explanation will be omitted and same referencenumerals and names as those in FIG. 4 will be designated with the samereference numerals and names.

Referring to FIG. 5, the heating device (600) may include a resistanceheat film (610), a power applying member (620) and a connecting member(640).

The resistance heat film (610) and the terminal part (624) of powerapplying member (620) may be mutually contacted, and the terminal part(624) and the resistance heat film (610) may be electrically connected.

When the resistance heat film (610) and the terminal part (624) aredirectly contacted without using a separate conductive double-sidedtape, a defective contact between the resistance heat film (610) and thepower applying member (620) may be generated due to vibrations or shocksapplied from outside.

In order to inhibit the defective contact, a connecting member (640) maybe disposed between a reception groove (220) of lens barrel (200) andthe first power applying part (621) of power applying member (620)according to an exemplary embodiment of present invention.

The connecting member (640) in the exemplary embodiment of presentinvention may closely adhere the first power applying part (621) to theresistance heat film (610) to allow the resistance heat film (610) andthe first power applying part (621) to be contacted at all times. Inorder to embody this structure, the connecting member (640) may includea sheet member having elasticity.

FIG. 6 is an enlarged view illustrating a heating device according toanother exemplary embodiment of present invention. The heating deviceillustrated in FIG. 6 is substantially same as the heating deviceexplained through FIG. 5 except for a connecting member. Thus, aredundant repeated explanation will be omitted and same referencenumerals and names as those in FIG. 5 will be designated with the samereference numerals and names.

Referring to FIG. 6, the heating device (600) may include a resistanceheating film (610), a power applying member (620) and a connectingmember (650).

The resistance heating film (610) and a terminal part (624) of powerapplying member (620) may be mutually and directly contacted, where theterminal part (624) and the resistance heating film (610) may beelectrically connected.

When the resistance heating film (610) and the terminal part (624) aredirectly contacted without using a separate double-sided adhesive tapeor a sheet member having elasticity, a defective contact between theresistance heating film (610) and the power applying member (620) may begenerated due to vibrations and shocks applied from outside.

Furthermore, even if a sheet member having elasticity is used, and whenthe sheet member having a thinner thickness than a designated thicknessis processed, a defective contact between the terminal part (624) of thepower applying member (620) and the resistance heating film (610) may begenerated.

In order to inhibit the defective contact thus mentioned, anotherconnecting member (650) may be arranged between a reception groove (220)of lens barrel (200) and a first power applying part (621) of powerapplying member (620) according to an exemplary embodiment of thepresent invention.

The connecting member (650) may be so arranged as to allow theresistance heating film (610) and the first power applying part (621) tobe always in contacted by elastically and tightly adhering the firstpower applying part (621) to the resistance heating film (610) accordingto an exemplary embodiment of the present invention.

In order to embody this arrangement, the connecting member (650) mayinclude a spring such as a leaf spring or a coil spring.

When the connecting member (650) includes a spring like a leaf spring ora coil spring, a groove (222) for fixing a distal end of spring may beformed at the reception groove (220) of lens barrel (200) in order toinhibit the spring from being changed in position thereof.

When the distal end of spring is accommodated into the groove (222), theother distal end of spring may be protruded from the groove (222), andthe other distal end of spring may be pressed by the first powerapplying part (621) to allow the first power applying part (621) ofpower applying member (620) may be elastically connected to theresistance heat film (610).

FIG. 7 is an enlarged view illustrating a heating device according toanother exemplary embodiment of present invention. The heating deviceillustrated in FIG. 7 is substantially same as the heating deviceexplained through FIG. 5 except for a connecting member and a resistanceheating film. Thus, a redundant repeated explanation will be omitted andsame reference numerals and names as those in FIG. 5 will be designatedwith the same reference numerals and names.

Referring to FIG. 7, a heating device (600) may include a resistanceheating film (610), a power applying member (620) and a connectingmember (660).

The resistance heating film (610) in the exemplary embodiment of presentinvention may be extended from an inner surface (112) of first lens(110) toward a lateral surface (113) of the first lens (110).

Meantime, a terminal part (624) of power applying member (620) may beadjacently disposed with an area extended toward the lateral surface(113) of first lens (110) of the resistance heating film (610), and theresistance heating film (610) and the terminal part (624) may bemutually and electrically connected by a connecting member (660).

The connecting member (660) in the exemplary embodiment of the presentinvention may include a metal paste including conductive particles andhaving elasticity, and conductive particles included in the connectingmember (660) may be silver particles, for example.

When the connecting member (660) and the terminal part (624) of thepower applying member (620) are mutually and electrically connectedusing a metal paste having an elasticity in the present invention, theterminal part (624) and the resistance heating film (610) may beinhibited from being mutually and electrically separated by vibrationsor shocks applied from outside.

Although the exemplary embodiment of present invention has illustratedand explained through FIGS. 4 to 7 that each connecting member(630,640,650,660) individually uses the conductive double-sided tape, asheet member having elasticity, a spring and a metal paste,alternatively, at least two connecting members in the connecting members(630,640,650,660) illustrated in FIGS. 4 to 7 may be complexly appliedto one camera module.

According to the foregoing explanation, the heating device for cameramodule and the camera module having the same can greatly enhancedurability and reliability by improving an electric coupling structurebetween lens heating elements in order to remove moisture and frost.

Meantime, the exemplary embodiments disclosed by the enclosed drawingsare merely particular examples in order to help understand the presentinvention, and may not be considered as limiting the scope of thepresent invention. It should be apparent to the skilled in the art thatother modifications based on the technical ideas of the presentinvention are implementable.

INDUSTRIAL APPLICABILITY

The present invention may be used for a camera module mounted on avehicle.

The invention claimed is:
 1. A heating device for a camera module,comprising; a resistance heating film disposed on a first lens, theresistance heating film comprising a first heating film part that iscurved and a second heating film part extending outwardly, in a firstdirection perpendicular to an optical axis direction of the first lens,from the first heating film part; a connecting member disposed on theresistance heating film; and a power applying member disposed on theconnecting member, wherein the connecting member is disposed on thesecond heating film part of the resistance heating film, wherein theconnecting member comprises conductive particles, wherein the connectingmember is in direct physical contact with both the second heating filmpart and the power applying member, and wherein the connecting member isdisposed between, in the optical axis direction, the second heating filmpart and the power applying member.
 2. The heating device for a cameramodule of claim 1, wherein the first lens comprises an outside surfaceexposed to the outside, and an inner surface disposed opposite theoutside surface, and wherein the resistance heating film is disposed onthe inner surface of the first lens.
 3. The heating device for a cameramodule of claim 2, wherein the resistance heating film comprises an ITO(Indium Tin Oxide) film.
 4. The heating device for a camera module ofclaim 1, wherein the power applying member comprises a first powerapplying part disposed on the connecting member, a second power applyingpart spaced apart from the first power applying part in optical axisdirection, and a connecting part disposed between the first powerapplying part and the second power applying part, wherein the firstpower applying part comprises a first portion coupled to the connectingpart, and a second portion disposed opposite to the first portion, andwherein the first portion and the second portion of the first powerapplying part are convex in opposite directions based on the opticalaxis direction.
 5. The heating device for a camera module of claim 1,wherein the power applying member comprises a first power applying partdisposed on the connecting member, a second power applying part spacedapart from the first power applying part in optical axis direction, anda connecting part disposed between the first power applying part and thesecond power applying part, wherein the first power applying partcomprises a first portion coupled to the connecting part, and a secondportion disposed opposite to the first portion, wherein the first lenscomprises a lens part comprising a curved surface, a peripheral partextending outwardly from the lens part, and a boundary part where thelens part and the peripheral part meet, and wherein the first portion ofthe first power applying member is bent in the same direction as thecurved direction of the portion adjacent to the first portion of theboundary part.
 6. The heating device for a camera module of claim 5,wherein the first portion of the first power applying member is spacedapart from the second portion of the first power applying member in acircumferential direction.
 7. The heating device for a camera module ofclaim 1, wherein the power applying member is formed in a circular stripshape with an optical axis of the first lens as a center of the circle.8. The heating device for a camera module of claim 1, wherein theresistance heating film comprises a transparent conductor.
 9. Theheating device for a camera module of claim 1, wherein the powerapplying member comprises wirings and a flexible PCB (Printed CircuitBoard) comprising a flexible insulation members wrapping the wirings andformed with an opening at an area contacting the resistance heatingfilm.
 10. The heating device for a camera module of claim 1, wherein thefirst lens comprises a lens part comprising a curved surface and aperipheral part extending outwardly from the lens part, wherein thefirst heating film part is disposed on the lens part of the first lens,and the second heating film part is disposed on the peripheral part ofthe first lens.
 11. The heating device for a camera module of claim 9,wherein the wirings are exposed by the opening and are formed with aterminal part electrically contacting the resistance heating film. 12.The heating device for a camera module of claim 1, wherein theconnecting member comprises a sheet member disposed at a bottom surfacefacing an upper surface of the power applying member facing theresistance heating film and having an elasticity closely connecting thepower applying member to the resistance heating film.
 13. The heatingdevice for a camera module of claim 9, wherein the connecting memberincludes an elastic member disposed at a bottom surface facing an uppersurface of the power applying member facing the resistance heating filmand closely connecting the power applying member to the resistanceheating film.
 14. The heating device for a camera module of claim 13,wherein the elastic member includes a spring including any one of a leafspring and a coil spring.
 15. A camera module, comprising a lens barrel;a lens disposed in the lens barrel; a PCB (Printed Circuit Board)coupled with the lens barrel; an image sensor disposed on the PCB; andthe heating device of the claim
 1. 16. A heating device for a cameramodule, comprising; a resistance heating film disposed on a first lens,the resistance heating film comprising a first heating film part that iscurved and a second heating film part extending outwardly, in a firstdirection perpendicular to an optical axis direction of the first lens,from the first heating film part; a connecting member disposed on theresistance heating film; and a power applying member disposed on theconnecting member, wherein the first lens comprises a lens partcomprising a curved surface and a peripheral part extending outwardlyfrom the lens part, wherein the first heating film part is disposed onthe lens part of the first lens, and the second heating film part isdisposed on the peripheral part of the first lens, wherein theconnecting member is disposed on the second heating film part of theresistance heating film part and spaced apart from the first heatingfilm part, wherein the connecting member is in direct physical contactwith both the second heating film part and the power applying member,and wherein the connecting member is disposed between, in the opticalaxis direction, the second heating film part and the power applyingmember.
 17. The heating device for a camera module of claim 16, whereinthe resistance heating film comprises an ITO (Indium Tin Oxide) film.18. The heating device for a camera module of claim 16, wherein thepower applying member comprises a first power applying part disposed onthe connecting member, a second power applying part spaced apart fromthe first power applying part in optical axis direction, and aconnecting part disposed between the first power applying part and thesecond power applying part, wherein the first power applying partcomprises a first portion coupled to the connecting part, and a secondportion disposed opposite to the first portion based on the lens part,and wherein the first portion and the second portion of the first powerapplying part are convex in opposite directions based on the opticalaxis direction.
 19. The heating device for a camera module of claim 16,wherein the power applying member comprises wirings and a flexible PCB(Printed Circuit Board) comprising a flexible insulation memberswrapping the wirings and formed with an opening at an area contactingthe resistance heating film, and wherein the wirings are exposed by theopening and are formed with a terminal part electrically contacting theresistance heating film.
 20. A heating device for a camera module,comprising; a resistance heating film disposed on a first lens, theresistance heating film comprising a first heating film part that iscurved and a second heating film part extending outwardly, in a firstdirection perpendicular to an optical axis direction of the first lens,from the first heating film part; a connecting member disposed on theresistance heating film; and a power applying member disposed on theconnecting member, wherein the connecting member is disposed on thesecond heating film part of the resistance heating film, wherein theconnecting member comprises a conductive sheet member, wherein theconnecting member is in direct physical contact with both the secondheating film part and the power applying member, and wherein theconnecting member is disposed between, in the optical axis direction,the second heating film part and the power applying member.